fix file folder structure

misskey_export.py

@@ -137,28 +137,59 @@ def download_file(file_info, folder_path):
     except Exception as e:
         print(f"    Failed to download {file_name}: {e}")
 
+def get_folder_path(folder_id, folder_map):
+    """Resolves the full path of a folder from the folder map."""
+    path_parts = []
+    curr_id = folder_id
+    while curr_id and curr_id in folder_map:
+        folder = folder_map[curr_id]
+        folder_name = folder.get("name", curr_id)
+        safe_name = "".join(c for c in folder_name if c.isalnum() or c in "._- ")
+        if not safe_name:
+            safe_name = curr_id
+        path_parts.insert(0, safe_name)
+        curr_id = folder.get("parentId")
+    return Path(*path_parts) if path_parts else Path("")
+
 def export_drive_admin(user_id, base_path):
-    """Exports all drive files for a user using admin endpoint."""
+    """Exports all drive files for a user with folder hierarchy."""
     print(f"  Exporting drive for {user_id}...")
-    files_path = base_path / "files"
+    files_base_path = base_path / "files"
-    if not files_path.exists():
+    if not files_base_path.exists():
-        files_path.mkdir()
+        files_base_path.mkdir()
+
+    all_files = []
+    folder_map = {}
 
     until_id = None
-    count = 0
     while True:
         files = fetch_admin_drive_files(user_id, until_id)
         if not files:
             break
         for file in files:
-            download_file(file, files_path)
+            all_files.append(file)
-            count += 1
+            # Build folder map from the 'folder' property if available in the packed file
+            curr = file.get("folder")
+            while curr:
+                folder_map[curr["id"]] = curr
+                # Some Misskey versions might pack the parent as well
+                curr = curr.get("parent")
 
         if len(files) < 100:
             break
         until_id = files[-1]["id"]
-    print(f"  Exported {count} files.")
 
+    for file in all_files:
+        folder_id = file.get("folderId")
+        rel_folder_path = get_folder_path(folder_id, folder_map)
+        full_folder_path = files_base_path / rel_folder_path
+
+        if not full_folder_path.exists():
+            full_folder_path.mkdir(parents=True, exist_ok=True)
+
+        download_file(file, full_folder_path)
+
+    print(f"  Exported {len(all_files)} files.")
 def export_user_data(user, base_path):
     """Exports user profile data to user-data.txt."""
     print(f"  Exporting profile data for {user['username']}...")